Details

• Brand:

  

  

• SKU:

  DK4Z-8620-B

• Other Names:

  AC Belt, V Belt, jk4577a

• Description:

  This genuine Ford accessory drive belt, base number 8620, is the serpentine belt that drives the engine accessories on the Transit 150, 250, 350 and 350 HD vans equipped with the 3.5L and 3.7L V6 engines. The belt wraps the crankshaft pulley and routes through the accessory pulleys, transferring rotation from the engine to drive the alternator, water pump, power steering and air conditioning compressor in a single continuous loop. As a wear item under constant tension and flex, the belt's ribs and backing gradually crack, glaze, or shed material with age and mileage. Drivers need this belt when they hear squealing or chirping on start-up or under accessory load, see cracking or fraying on inspection, or are performing scheduled maintenance, since a failed serpentine belt stops the charging, cooling, steering assist and air conditioning at once. It is replaced as routine maintenance or to cure belt noise and slip. Manufactured to Ford specifications, it matches the original length, rib count and profile for correct routing and tensioner function. Inspect the tensioner and idler pulleys for smooth, quiet rotation while the belt is off, route the new belt exactly per the routing diagram, and confirm the automatic tensioner takes up slack correctly before starting the engine.

• Replaces:

  dk4z8620a

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